Take small amount of sliced onion and mix with little flour, if needed sprinkle little water ( I never used water).

Check the oil by dropping little onion mixture in the oil, if it rise immediately without changing colour then oil is ready for frying.

Deep fry the onion mixture in small batches.

Enjoy with cup of Tea.

Note:Since onion tends to induce water, no additional water is required. What ever quantity you make, add required amount of sliced onions to the small amount of flour and fry in batches. This will ensure uniform color & crispness to pakoda or else Onion mixture will become watery.